---
title: "Create a draft"
method: POST
path: "/email/inboxes/{inbox_id}/drafts"
tags: ["Email"]
---

# Create a draft

`POST /email/inboxes/{inbox_id}/drafts`

## Request

- Base URL: `https://api.crevio.co/v1`
- URL: `https://api.crevio.co/v1/email/inboxes/{inbox_id}/drafts`
- Auth: API key in header `Authorization`

Prepares (optionally schedules) an unsent message.

## Path parameters

- `inbox_id` string, required

## Headers

- `Idempotency-Key` string

## Request body

- object
  - `to` union: Email address, or array/comma-separated list of addresses
    - string
    - string[]
  - `cc` union: Email address, or array/comma-separated list of addresses
    - string
    - string[]
  - `bcc` union: Email address, or array/comma-separated list of addresses
    - string
    - string[]
  - `subject` string
  - `text` string
  - `html` string
  - `reply_to` string
  - `in_reply_to` string
  - `labels` string[]
  - `send_at` string, date-time: Schedule send time (ISO 8601)
  - `attachments` object[]
    - `file_id` string: File ID (`file_...`) from the Files API. Preferred: nothing is re-uploaded.
    - `content` string: Base64-encoded file content
    - `filename` string
    - `content_type` string

## Response `201`

Created

- EmailDraft
  - `object` string, required
  - `id` string, required
  - `inbox_id` string, required
  - `thread_id` string, required
  - `to` unknown[], required
    - unknown
  - `cc` unknown[], required
    - unknown
  - `bcc` unknown[], required
    - unknown
  - `reply_to` string, nullable, required
  - `in_reply_to` string, nullable, required
  - `subject` string, nullable, required
  - `text` string, required
  - `html` string, required
  - `labels` string[], required
  - `attachments` unknown[], required
    - unknown
  - `send_at` string, date-time, nullable, required
  - `send_status` 'draft' | 'scheduled' | 'sending' | 'failed', required
  - `created_at` string, date-time, required

## Other responses

- `401`: Authentication required
- `403`: Forbidden
- `404`: Resource not found
- `422`: Validation error
- `429`: Rate limit exceeded — 600 requests per minute per credential. Retry after the number of seconds in `Retry-After`.

---

[API](https://skmtc.dev/crevio/apis/crevio-api-v1.md) · [All operations](https://skmtc.dev/crevio/apis/crevio-api-v1/llms.txt) · [OpenAPI document](https://skmtc.dev/crevio/apis/crevio-api-v1/revisions/2219f18ad651?raw)